Raw code
public super class {
version 52.0;
name ThisClass;
extends Object;
//Constants
const classref ThisClass ThisClass_name;
const utf8 ThisClass_name "org/jasm/examples/HelloWorld";
const classref Object Object_name;
const utf8 Object_name "java/lang/Object";
const classref System System_name;
const utf8 System_name "java/lang/System";
const utf8 out_name "out";
const utf8 out_desc "Ljava/io/PrintStream;";
const nameandtype System.out_nat out_name,out_desc;
const fieldref System.out System,System.out_nat;
const classref PrintStream PrintStream_name;
const utf8 PrintStream_name "java/io/PrintStream";
const utf8 println_name "println";
const utf8 println_desc "(Ljava/lang/String;)V";
const nameandtype PrintStream.println_nat println_name,println_desc;
const methodref PrintStream.println PrintStream,PrintStream.println_nat;
const utf8 init0_name "<init>";
const utf8 init0_desc "()V";
const methodref Object.init0 Object, Object.init0_nat;
const nameandtype Object.init0_nat init0_name, init0_desc;
//This has to be declared if you have code
const utf8 Code_utf8 "Code";
const utf8 main_name "main";
const utf8 main_desc "([Ljava/lang/String;)V";
const utf8 helloworld_content "Hello World!";
const string helloworld helloworld_content;
//Methods
//Constructor
public method {
name init0_name;
descriptor init0_desc;
//Variables
var object this;
//Instructions
aload this;
invokespecial Object.init0;
return;
}
//Main Method
public static method {
name main_name;
descriptor main_desc;
//Variables
var object args; //This is the method parameter
//Instructions
getstatic System.out;
ldc helloworld;
invokevirtual PrintStream.println;
return;
}
}